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Severe Weather Threat May 17-19, 2025

Grand Poo Bah said:
That tornado was so nuts because there was a point where it couldn't have been wider than 20 yards in diameter, but it still had little 2-3 yard violent sub vortices within it. And no condensation funnel on the ground! It seemed like almost every tornado in this outbreak had a multi vortex structure.
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I have a feeling that nearly every single tornado is multi-vortex because virtually every partially-uncondensed tornado that I've seen from videos, at the very least, have tiny suction vortices that are usually very short lived. That's not counting fully condensed tornadoes which most definitely have suction vortices we can't see. Of course, how strong and prominent these subvortices are definitely vary between tornadoes. I wonder if there's any studies on what proportion of tornadoes actually have subvortices.
 
tornado examiner said:
Arnett tornado upgraded to EF3.
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Yikes. Was not expecting that seeing as it (thankfully) dissipated before reaching Arnett proper. However as I described earlier it had the potent "drillbit" appearance suggestive of greater intensity than size alone would indicate.

However still no actual track map, and it's still not added to the Wikipedia list.
 
Took a few stills from some security cam footage of the London Tornado and enhanced them the best I could.

1748772833878.jpeg1748772851436.jpeg
1748772885730.jpeg

Then, I compiled all three images into one photo that shows the full structure of the tornado. Here's the beast.

1748773815266.jpeg

I pulled the image from this clip (timestamped at 2:38). It might be one of the most unsettling tornado clips I've ever seen. Even if you never saw the tornado, the way the debris just starts falling out of the sky is so ominous. The debris may have been the only indication of what was coming, because i'm not sure the sirens were going off before it entered the town.

 
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Yeah. That thing was intense and very close to a destructive hit on Arnett, then the condensation funnel abruptly vanished into thin air. Video from chasers who were much closer than I was show a weaker ground circulation continued for about another 30 seconds, with subvortices nearly impacting several of them on the south edge of Arnett.




As for me, I was fine with my back-lit view from further away along US 283, and to avoid the giant hail which was wrapping around the back side of it. Some chasers had damage to their windshields.

 
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